Trigonometry FINAL EXAM Review, Spring 2010
The sin-1 function returns an angle in the interval. The cos-1 function returns an angle in the interval. The tan-1 function returns an angle in the interval. To find an angle for the secant, cosecant, and cotangent functions, you have to use the reciprocal identities first to convert the equation so that it has cosine, sine, or tangent. ................
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